Characteristics of operational control reliability of aircraft functional systems and avionics suites

The operational control system (OCS) of civil aircraft (A/C) airborne equipment is an important component of its technical operation system (TOS). Operational control is an integral part of the technical operation process. It makes it possible to assess the technical conditions (TC) of the objects t...

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Main Author: S. V. Kuznetsov
Format: Article
Language:Russian
Published: Moscow State Technical University of Civil Aviation 2023-12-01
Series:Научный вестник МГТУ ГА
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Online Access:https://avia.mstuca.ru/jour/article/view/2269
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author S. V. Kuznetsov
author_facet S. V. Kuznetsov
author_sort S. V. Kuznetsov
collection DOAJ
description The operational control system (OCS) of civil aircraft (A/C) airborne equipment is an important component of its technical operation system (TOS). Operational control is an integral part of the technical operation process. It makes it possible to assess the technical conditions (TC) of the objects to be monitored in various states of airborne equipment operation, aircraft preparation for flight, various types of maintenance and recovery. The main property of operational control is the reliability of control. The key task of operational control is not only to determine the type of technical condition, but also to quantify the correctness or erroneousness of decision-making. Control reliability characteristics (CRC) are quantitative indicators of the degree of objectivity in decision-making. Depending on the level of task details, it is necessary to distinguish the control reliability characteristics of units, functional systems (FS) and avionics suites for various means of operational control: built-in test equipment (BITE), on-board self-contained, ground-onboard and ground systems. The choice of the control reliability characteristics is based on the system analysis and the mathematical apparatus of logic, probability theory and mathematical statistics. Rational sets of technical states and decision-making about the technical conditions of functional systems and avionics suites are formed. Based on these sets, three groups of control reliability characteristics were identified. The first group consists of conditional probabilities of transitions in the operational control process under various types of control. The second group consists of unconditional probabilities of transitions in the operational control process under various types of control. The third group consists of a posteriori decision-making probability in the operational control process under various types of control. Analytical dependences for calculating the control reliability characteristics of three groups for functional systems and avionics suites and relationships between them are determined. The air-conditioning system was used to calculate the reliability of the control.
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spelling doaj-art-4936c4d0f72b4448a3dc93e1ac20250f2025-08-20T03:23:19ZrusMoscow State Technical University of Civil AviationНаучный вестник МГТУ ГА2079-06192542-01192023-12-01266587410.26467/2079-0619-2023-26-6-58-741502Characteristics of operational control reliability of aircraft functional systems and avionics suitesS. V. Kuznetsov0Moscow State Technical University of Civil AviationThe operational control system (OCS) of civil aircraft (A/C) airborne equipment is an important component of its technical operation system (TOS). Operational control is an integral part of the technical operation process. It makes it possible to assess the technical conditions (TC) of the objects to be monitored in various states of airborne equipment operation, aircraft preparation for flight, various types of maintenance and recovery. The main property of operational control is the reliability of control. The key task of operational control is not only to determine the type of technical condition, but also to quantify the correctness or erroneousness of decision-making. Control reliability characteristics (CRC) are quantitative indicators of the degree of objectivity in decision-making. Depending on the level of task details, it is necessary to distinguish the control reliability characteristics of units, functional systems (FS) and avionics suites for various means of operational control: built-in test equipment (BITE), on-board self-contained, ground-onboard and ground systems. The choice of the control reliability characteristics is based on the system analysis and the mathematical apparatus of logic, probability theory and mathematical statistics. Rational sets of technical states and decision-making about the technical conditions of functional systems and avionics suites are formed. Based on these sets, three groups of control reliability characteristics were identified. The first group consists of conditional probabilities of transitions in the operational control process under various types of control. The second group consists of unconditional probabilities of transitions in the operational control process under various types of control. The third group consists of a posteriori decision-making probability in the operational control process under various types of control. Analytical dependences for calculating the control reliability characteristics of three groups for functional systems and avionics suites and relationships between them are determined. The air-conditioning system was used to calculate the reliability of the control.https://avia.mstuca.ru/jour/article/view/2269operational control systemtechnical operation processtechnical conditionreliability of the controlonboard equipment
spellingShingle S. V. Kuznetsov
Characteristics of operational control reliability of aircraft functional systems and avionics suites
Научный вестник МГТУ ГА
operational control system
technical operation process
technical condition
reliability of the control
onboard equipment
title Characteristics of operational control reliability of aircraft functional systems and avionics suites
title_full Characteristics of operational control reliability of aircraft functional systems and avionics suites
title_fullStr Characteristics of operational control reliability of aircraft functional systems and avionics suites
title_full_unstemmed Characteristics of operational control reliability of aircraft functional systems and avionics suites
title_short Characteristics of operational control reliability of aircraft functional systems and avionics suites
title_sort characteristics of operational control reliability of aircraft functional systems and avionics suites
topic operational control system
technical operation process
technical condition
reliability of the control
onboard equipment
url https://avia.mstuca.ru/jour/article/view/2269
work_keys_str_mv AT svkuznetsov characteristicsofoperationalcontrolreliabilityofaircraftfunctionalsystemsandavionicssuites